The answer is 325, 20 + 205 + 100 = 325
Reduce all of the mutiple choices
A. 4/3 . It is greater than 3/4. 4/3 as a decimal is 1.333. 3/4= 0.75
B. 12/12. 12/12=1. 1 is greater than 3/4
C. 9/16. Cannot reduce the fraction.
D. 12/16 divide by 4 for the numerator and denominator. 12/4=3 , 16/4= 4
Answer: D. 12/16
Answer:
x = 8
y = 21
Step-by-step explanation:
(7x + 12)° and (12x - 28)° are alternate interior angles. Alternate interior angles are congruent. Therefore:
(7x + 12)° = (12x - 28)°
Solve for x
7x + 12 = 12x - 28
Collect like terms
7x - 12x = - 12 - 28
-5x = -40
Divide both sides by -5
-5x/-5 = -40/-5
x = 8
(12x - 28)° + (9y - 77)° = 180° (linear pair)
To find y, plug in the value for x = 8.
12(8) - 28 + 9y - 77 = 180
96 - 28 + 9y - 77 = 180
Combine like terms
- 9 + 9y = 180
Add 9 to both sides
-9 + 9y + 9 = 180 + 9
9y = 189
Divide both sides by 9
9y/9 = 189/9
y = 21